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label_infallible

vortex_array::expr::analysis

Function label_infallible 

Source 
pub fn label_infallible(expr: &Expression) -> BooleanLabels<'_>
Expand description

Label each expression with whether its entire subtree is infallible.

A subtree is infallible only when the node’s scalar function and every child subtree are infallible. See crate::scalar_fn::ScalarFnVTable::is_infallible for the scalar-function contract.